Originally Posted by
Eastbay1K
JFK (to SFO) is the only comfortable ride the entire way. MIA puts you in a miserable F seat MIA/SFO for 6 hours. DFW, same seat, not as long. If you sleep on planes, the JFK flight gives you time for a decent snooze. JFK connections can be less hectic than the others, too.
But is it worth the extra time? Via JFK is 1118 miles more than via MIA (source: gcmap.com)
Distances
EZE-JFK-SFO 7868
EZE-DFW-SFO 6991
EZE-MIA-SFO 6750